327 lines
15 KiB
C#
327 lines
15 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.InputSystem;
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using BaseGames.Core.Events;
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namespace BaseGames.Input
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{
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[CreateAssetMenu(menuName = "BaseGames/Input/InputReader")]
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public class InputReaderSO : ScriptableObject
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{
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[SerializeField] private InputActionAsset _inputActions;
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[SerializeField] private VoidEventChannelSO _onPauseRequested;
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[Header("背包菜单（InventoryHub）")]
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[Tooltip("打开统一背包菜单。对应 EVT_InventoryOpen。绑定到 UI/Gameplay Map 的 \"Inventory\" Action（可选）。")]
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[SerializeField] private VoidEventChannelSO _onInventoryOpen;
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[Tooltip("背包 Tab：下一页（L/R 肩键）。对应 EVT_InventoryTabNext。绑定 \"InventoryTabNext\" Action（可选）。")]
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[SerializeField] private VoidEventChannelSO _onInventoryTabNext;
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[Tooltip("背包 Tab：上一页（L/R 肩键）。对应 EVT_InventoryTabPrev。绑定 \"InventoryTabPrev\" Action（可选）。")]
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[SerializeField] private VoidEventChannelSO _onInventoryTabPrev;
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[Header("UI 操作")]
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[Tooltip("UI 取消操作（ESC / 手柄 B·Circle）。由 UIManager 全局订阅，关闭当前栈顶面板。对应 EVT_UICancelPressed。")]
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[SerializeField] private VoidEventChannelSO _onUICancelPressed;
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// ── Gameplay Events ───────────────────────────────────────────────────
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public event Action<Vector2> MoveEvent;
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public event Action JumpStartedEvent;
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public event Action JumpCancelledEvent;
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public event Action AttackEvent;
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public event Action ParryEvent;
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public event Action DashEvent;
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public event Action UseSpringEvent;
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public event Action SwitchSkyFormEvent;
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public event Action SwitchEarthFormEvent;
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public event Action SwitchDeathFormEvent;
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public event Action SoulSkillEvent;
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public event Action SpiritSkill1StartedEvent;
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public event Action SpiritSkill1CancelledEvent;
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public event Action SpiritSkill2StartedEvent;
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public event Action SpiritSkill2CancelledEvent;
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public event Action SpellCastEvent;
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public event Action InteractEvent;
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public event Action InteractCancelledEvent;
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// ── UI Events ─────────────────────────────────────────────────────────
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public event Action PauseEvent;
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public event Action<Vector2> NavigateEvent;
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public event Action SubmitEvent;
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public event Action CancelEvent;
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public event Action<Vector2> PointEvent;
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/// <summary>小地图视野档位切换（默认绑定：Tab 键 / 手柄右肩键）。</summary>
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public event Action CycleMinimapZoomEvent;
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/// <summary>全屏地图"居中到玩家"（默认绑定：F 键 / 手柄右摇杆按下）。</summary>
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public event Action MapCenterEvent;
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// ── Polling ───────────────────────────────────────────────────────────
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public Vector2 MoveInput { get; private set; }
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/// <summary>跳跃键当前是否处于按下状态。供 JumpState 在进入时检测短按是否已松开。</summary>
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public bool IsJumpHeld => _jumpAction != null && _jumpAction.IsPressed();
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// ── Runtime state ─────────────────────────────────────────────────────
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private InputActionMap _gameplay;
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private InputActionMap _ui;
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private bool _isBound;
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private InputAction _jumpAction;
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private void EnsureInitialized()
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{
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if (_inputActions == null)
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{
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Debug.LogError("[InputReaderSO] _inputActions is NULL! Asset not assigned in inspector?");
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return;
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}
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// Always disable first so the Input System tears down stale state,
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// then re-enable to create a fresh state for this Play session.
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_inputActions.Disable();
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_inputActions.Enable();
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_gameplay = _inputActions.FindActionMap("Gameplay", throwIfNotFound: false);
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if (_gameplay == null)
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Debug.LogError("[InputReaderSO] Could not find 'Gameplay' action map in asset!");
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_ui = _inputActions.FindActionMap("UI", throwIfNotFound: false);
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if (_ui == null)
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Debug.LogWarning("[InputReaderSO] Could not find 'UI' action map in asset!");
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if (_gameplay != null && !_isBound)
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{
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BindActions();
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}
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}
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private void OnEnable()
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{
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Debug.Assert(_onPauseRequested != null,
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"[InputReaderSO] _onPauseRequested 未赋值，请在 Inspector 中指定 EVT_PauseRequested。", this);
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// Reset private state on every OnEnable so stale ScriptableObject
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// references from a previous Play session don't cause
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// 'Map must be contained in state' errors.
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_gameplay = null;
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_ui = null;
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_isBound = false;
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_jumpAction = null;
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EnsureInitialized();
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}
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private void OnDisable()
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{
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_gameplay?.Disable();
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_ui?.Disable();
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_isBound = false;
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}
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// ── Action Map Switching ──────────────────────────────────────────────
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public void EnableGameplayInput()
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{
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// Disable UI map if it's active
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if (_ui != null && _ui.enabled)
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{
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_ui.Disable();
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}
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// Ensure gameplay map is enabled
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if (_gameplay != null && !_gameplay.enabled)
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{
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_gameplay.Enable();
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}
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else if (_gameplay == null)
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{
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Debug.LogError("[InputReaderSO.EnableGameplayInput] _gameplay is NULL!");
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}
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}
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public void EnableUIInput()
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{
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// Disable gameplay map if it's active
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if (_gameplay != null && _gameplay.enabled)
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{
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_gameplay.Disable();
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}
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// Ensure UI map is enabled
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if (_ui != null && !_ui.enabled)
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{
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_ui.Enable();
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}
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else if (_ui == null)
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{
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Debug.LogWarning("[InputReaderSO.EnableUIInput] _ui is NULL!");
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}
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}
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public void DisableAllInput() { _gameplay?.Disable(); _ui?.Disable(); }
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// ── Binding ───────────────────────────────────────────────────────────
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private void BindActions()
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{
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if (_gameplay == null)
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{
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Debug.LogWarning("[InputReaderSO.BindActions] Skipped: _gameplay is NULL");
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return;
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}
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BindPerformed(_gameplay, "Move", ctx =>
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{
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MoveInput = ctx.ReadValue<Vector2>();
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MoveEvent?.Invoke(MoveInput);
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});
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BindCanceled(_gameplay, "Move", _ =>
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{
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MoveInput = Vector2.zero;
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MoveEvent?.Invoke(Vector2.zero);
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});
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BindStarted(_gameplay, "Jump", () => JumpStartedEvent?.Invoke());
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BindCanceled(_gameplay, "Jump", () => JumpCancelledEvent?.Invoke());
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_jumpAction = _gameplay.FindAction("Jump", throwIfNotFound: false);
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BindStarted(_gameplay, "Attack", () => AttackEvent?.Invoke());
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BindStarted(_gameplay, "Parry", () => ParryEvent?.Invoke());
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BindStarted(_gameplay, "Dash", () => DashEvent?.Invoke());
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BindStarted(_gameplay, "UseSpring", () => UseSpringEvent?.Invoke());
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BindStarted(_gameplay, "SwitchSkyForm", () => SwitchSkyFormEvent?.Invoke());
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BindStarted(_gameplay, "SwitchEarthForm", () => SwitchEarthFormEvent?.Invoke());
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BindStarted(_gameplay, "SwitchDeathForm", () => SwitchDeathFormEvent?.Invoke());
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BindStarted(_gameplay, "SoulSkill", () => SoulSkillEvent?.Invoke());
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BindStarted(_gameplay, "SpiritSkill1", () => SpiritSkill1StartedEvent?.Invoke());
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BindCanceled(_gameplay, "SpiritSkill1", () => SpiritSkill1CancelledEvent?.Invoke());
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BindStarted(_gameplay, "SpiritSkill2", () => SpiritSkill2StartedEvent?.Invoke());
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BindCanceled(_gameplay, "SpiritSkill2", () => SpiritSkill2CancelledEvent?.Invoke());
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BindStarted(_gameplay, "Spell", () => SpellCastEvent?.Invoke());
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BindStarted(_gameplay, "Interact", () => InteractEvent?.Invoke());
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BindCanceled(_gameplay, "Interact", () => InteractCancelledEvent?.Invoke());
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BindStarted(_gameplay, "Pause", HandlePause);
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// 背包菜单开关（可选 Action：默认绑定如 I 键 / 手柄 Select）。未在 Map 中定义则跳过。
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BindStarted(_gameplay, "Inventory", () => _onInventoryOpen?.Raise());
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if (_ui != null)
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{
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BindPerformed(_ui, "Navigate", ctx => NavigateEvent?.Invoke(ctx.ReadValue<Vector2>()));
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BindCanceled(_ui, "Navigate", _ => NavigateEvent?.Invoke(Vector2.zero));
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BindStarted(_ui, "Submit", () => SubmitEvent?.Invoke());
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// UI 模式下 ESC 与手柄 Start 均归为 Cancel（返回/关闭栈顶）；UI map 不再有 Pause action。
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BindStarted(_ui, "Cancel", () => { CancelEvent?.Invoke(); _onUICancelPressed?.Raise(); });
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BindPerformed(_ui, "Point", ctx => PointEvent?.Invoke(ctx.ReadValue<Vector2>()));
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// R13-N3 小地图缩放档位切换；Action 名称需在 InputActionAsset UI Map 中添加（可选）
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BindStarted(_ui, "CycleMinimapZoom", () => CycleMinimapZoomEvent?.Invoke());
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// R13-N4 全屏地图居中；Action 名称需在 InputActionAsset UI Map 中添加（可选）
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BindStarted(_ui, "MapCenter", () => MapCenterEvent?.Invoke());
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// 背包 Tab 循环（L/R 肩键）；Action 名称需在 InputActionAsset UI Map 中添加（可选）
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BindStarted(_ui, "InventoryTabNext", () => _onInventoryTabNext?.Raise());
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BindStarted(_ui, "InventoryTabPrev", () => _onInventoryTabPrev?.Raise());
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}
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_isBound = true;
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}
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private void HandlePause()
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{
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PauseEvent?.Invoke();
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_onPauseRequested?.Raise();
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}
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private static void BindStarted(InputActionMap map, string name, Action callback)
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{
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var action = map.FindAction(name, throwIfNotFound: false);
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if (action != null)
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{
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action.started += _ => callback();
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}
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else
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{
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Debug.LogWarning($"[BindStarted] Action '{name}' not found in map");
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}
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}
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private static void BindPerformed(InputActionMap map, string name,
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Action<InputAction.CallbackContext> callback)
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{
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var action = map.FindAction(name, throwIfNotFound: false);
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if (action != null) action.performed += callback;
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}
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private static void BindCanceled(InputActionMap map, string name,
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Action<InputAction.CallbackContext> callback)
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{
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var action = map.FindAction(name, throwIfNotFound: false);
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if (action != null) action.canceled += callback;
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}
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private static void BindCanceled(InputActionMap map, string name, Action callback)
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{
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var action = map.FindAction(name, throwIfNotFound: false);
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if (action != null) action.canceled += _ => callback();
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}
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// ── Rebinding API (P4-3) ──────────────────────────────────────────────
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private const string PrefKey = "InputBindings";
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/// <summary>查找单个 Action（供 RebindActionRow 显示当前绑定路径）。</summary>
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public InputAction FindAction(string name)
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=> _inputActions?.FindAction(name);
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/// <summary>返回 Gameplay Map 所有 Action（供 ConflictDetector 扫描冲突）。</summary>
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public IEnumerable<InputAction> GetAllActionMap()
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{
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var map = _inputActions?.FindActionMap("Gameplay");
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return map != null ? (IEnumerable<InputAction>)map.actions : Array.Empty<InputAction>();
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}
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/// <summary>
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/// 启动交互式重绑定（Unity InputSystem RebindingOperation）。
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/// 调用方无需持有返回值；完成或取消后自动 Dispose。
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/// </summary>
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public void StartRebinding(
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string actionName, int bindingIndex, Action onComplete, Action onCancel)
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{
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var action = _inputActions?.FindAction(actionName);
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if (action == null) { onCancel?.Invoke(); return; }
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action.Disable();
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action.PerformInteractiveRebinding(bindingIndex)
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.OnComplete(op => { op.Dispose(); action.Enable(); onComplete?.Invoke(); })
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.OnCancel(op => { op.Dispose(); action.Enable(); onCancel?.Invoke(); })
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.Start();
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}
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/// <summary>将当前绑定覆盖序列化为 JSON，存入 PlayerPrefs（key = "InputBindings"）。</summary>
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public void SaveBindingOverrides()
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{
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if (_inputActions == null) return;
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PlayerPrefs.SetString(PrefKey, _inputActions.SaveBindingOverridesAsJson());
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PlayerPrefs.Save();
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}
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/// <summary>从 PlayerPrefs 加载并应用绑定覆盖（首次启动时无操作）。</summary>
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public void LoadBindingOverrides()
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{
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if (_inputActions != null && PlayerPrefs.HasKey(PrefKey))
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_inputActions.LoadBindingOverridesFromJson(PlayerPrefs.GetString(PrefKey));
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}
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/// <summary>重置所有绑定为默认值并清除 PlayerPrefs 记录。</summary>
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public void ResetBindings()
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{
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_inputActions?.RemoveAllBindingOverrides();
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PlayerPrefs.DeleteKey(PrefKey);
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}
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}
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}
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